unit 1
What is the formula for solving for time?
time= displacement/velocity
What is a force?
A push or pull.
What is kinetic energy?
The energy an object has due to its motion.
What is a planet?
A spherical space body that moves around a star.
What is an eclipse?
An event where one celestial body is blocked, or the light from it is reduced, by another celestial body.
Who is Nicolus Copernicus?
Polish astronomer and mathematician who believed in a sun-centered conception of the universe.
What are balanced forces?
Equal forces acting on an object in opposite directions.
What is Newton's Third Law of Motion?
For every action there is an equal and opposite reaction.
What is a gas giant?
A planet that consists of various gases, mainly hydrogen and helium.
Where does Earth's axis run through?
It runs from the north to the South Pole through the center of the planet.
What is gravity?
A force of attraction between objects that is due to their masses.
What was Newton's first law of motion?
An object in motion will remain in motion unless acted upon by another force.
What are waves?
A disturbance that transfers energy from place to place.
What is mass?
The quantity of matter in an object.
How do seasons form?
Seasons are the result of the interactions between the Sun and the Earth.